# Specimen86 — Your choices shape the future! > Your choices shape the future! (iPhone/iPad app by SAYACHI-MARU GAMES.) - Source: https://appshunter.io/ios/app/specimen86/id6754185315 (this page in markdown: same URL + `.md`) - Developer: [SAYACHI-MARU GAMES](https://appshunter.io/developer/1809076905) - Category: Games, Entertainment, Casual, Simulation - Price: Free - Age rating: 9+ - Requires: iOS 15.0 · 302 MB - Languages: English - Released: 2025-11-10 - Data updated: 2026-05-15 - User reviews in markdown: https://appshunter.io/ios/app/specimen86/id6754185315/reviews.md ## What is Specimen86? About the Game You are a new observer at a marine research laboratory. In the lab’s mysterious aquarium, you’ll raise more than just an ordinary fish. What is this egg… really? The being you nurture may become a mermaid, a fishman, or something entirely different. Your choices shape its evolution and story, leading to multiple endings and a shocking truth. Game Features Evolve, Observe, Discover Experience a relaxing idle evolution game where growth paths and endings change based on your actions. Play at your own pace—perfect for short breaks or bedtime relaxation. Multiple Endings Your decisions—feeding, temperature control, conversations, and more—determine the final form. Explore all branching evolutions to uncover every ending. Healing Yet Unsettling Behind the soothing visuals of swimming creatures lies a darker side— research experiments, DNA extraction, and mysterious “bad endings.” A blend of cute and eerie, peaceful and ominous. A Story Worth Exploring Each specimen you raise generates a research report, revealing the hidden meaning behind your actions. For players who love theories, mysteries, and deeper lore, the story invites reinterpretation and replay. Idle Progression Even while the app is closed, time continues. Your specimen quietly prepares for its next stage of evolution. No moment is wasted—research and observation advance naturally. Elements That Affect Evolution There’s no single path to evolution. Affection, water temperature, cleanliness, item usage, and even character interactions— every small choice can open a new future. Experiment repeatedly to reach every form and ending. Collection System All your evolved specimens and research logs are saved. Review your collection to see how your decisions connected to each unique outcome. Piece together the world’s secrets one evolution at a time. What You’ll Experience Calm observation of aquatic life in a glass tank Emotional storytelling as your specimen grows—cute, mysterious, and unsettling moments The comfort of a healing game mixed with the intrigue of a dark fantasy Multiple endings that reward replay and exploration Research reports that reveal how your nurturing influenced the future Your specimen will react to your care, changing expressions and behavior— you might even grow attached to it. Capture those moments and share them via the screenshot & SNS share function. Recommended For Fans of idle growth and aquarium simulation games Players who enjoy healing games with a deeper, mysterious tone Those who love story games and hidden lore People looking for a short, relaxing daily game Players who enjoy cute but eerie, surreal experiences Collectors who love unlocking every evolution and ending Gameplay Flow You’re assigned to an ocean lab, tasked with nurturing a mysterious aquatic specimen. Use laboratory equipment and special items to maintain its environment and reduce stress. Even when left alone, time passes and evolution progresses. Conversations and environmental changes influence the path ahead— each playthrough may lead to an entirely different result. Every completed evolution is archived as a research log you can revisit anytime. Game Overview “Specimen No.86: Choices and the Future” is a new-style simulation that combines idle growth, healing gameplay, branching stories, dark fantasy, and collection elements. A soothing yet unsettling experience that stirs emotion— with multiple endings, including bad ones, your nurturing connects to a larger theme of evolution and destiny. This is more than a simple aquarium game. Dive into the story that drifts between healing and unease, and discover how your choices shape the future. ## Version history (last 5 releases) ### 1.06 — 2026-05-04 トラッキングの修正 一部セーブの修正 ### 1.05 — 2025-11-30 The game over text has been updated. ### 1.04 — 2025-11-26 Some hints have been updated and added. ### 1.03 — 2025-11-19 Fixed the text displayed during screenshot sharing and corrected the tags so they are now applied properly. Some of the hint labels have been updated. ### 1.02 — 2025-11-12 Changed the specification of local notifications ## More apps by SAYACHI-MARU GAMES - [FlutteringMermaid2025](https://appshunter.io/ios/app/flutteringmermaid2025/id6744722551) - [MonsterGarden](https://appshunter.io/ios/app/monstergarden/id6749299449) - [バーコードボーイ 〜スキャン＆彼氏コレクションゲーム〜](https://appshunter.io/ios/app/id6756212099) - [Mochi Penguins Pet Simulator](https://appshunter.io/ios/app/mochi-penguins-pet-simulator/id6761739699) All apps by SAYACHI-MARU GAMES: https://appshunter.io/developer/1809076905 ## Related topics [specimen86](https://appshunter.io/ios/topics/specimen86) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-15.*